Terms for subject Firefighting and fire-control systems containing at a

English	Russian
cone-shaped pattern traced at a seat of fire	очаговый конус (Alex_UmABC)
locking heat-sensitive element opening at a certain temperature	запорный термочувствительный элемент, вскрывающийся при определённом значении температуры (тепловой замок ssn)
smoke condition at a premises	задымление помещения ("... fire or smoke condition at a premises are specifically excluded from the provision of this chapter, as are alternative alarm systems designed to notify ..." False Alarms – Town of Wethersfield, Connecticut vatnik)
technical means with a source of light perceived by human eye at any time of the day	техническое средство, имеющее источник светового излучения, воспринимаемый глазом в любое время суток (ssn)